OLD | NEW |
(Empty) | |
| 1 /* |
| 2 ******************************************************************************* |
| 3 * Copyright (C) 2012-2014, International Business Machines |
| 4 * Corporation and others. All Rights Reserved. |
| 5 ******************************************************************************* |
| 6 * collationroot.cpp |
| 7 * |
| 8 * created on: 2012dec17 |
| 9 * created by: Markus W. Scherer |
| 10 */ |
| 11 |
| 12 #include "unicode/utypes.h" |
| 13 |
| 14 #if !UCONFIG_NO_COLLATION |
| 15 |
| 16 #include "unicode/coll.h" |
| 17 #include "unicode/udata.h" |
| 18 #include "collation.h" |
| 19 #include "collationdata.h" |
| 20 #include "collationdatareader.h" |
| 21 #include "collationroot.h" |
| 22 #include "collationsettings.h" |
| 23 #include "collationtailoring.h" |
| 24 #include "normalizer2impl.h" |
| 25 #include "ucln_in.h" |
| 26 #include "udatamem.h" |
| 27 #include "umutex.h" |
| 28 |
| 29 U_NAMESPACE_BEGIN |
| 30 |
| 31 namespace { |
| 32 |
| 33 static const CollationCacheEntry *rootSingleton = NULL; |
| 34 static UInitOnce initOnce = U_INITONCE_INITIALIZER; |
| 35 |
| 36 } // namespace |
| 37 |
| 38 U_CDECL_BEGIN |
| 39 |
| 40 static UBool U_CALLCONV uprv_collation_root_cleanup() { |
| 41 SharedObject::clearPtr(rootSingleton); |
| 42 initOnce.reset(); |
| 43 return TRUE; |
| 44 } |
| 45 |
| 46 U_CDECL_END |
| 47 |
| 48 void |
| 49 CollationRoot::load(UErrorCode &errorCode) { |
| 50 if(U_FAILURE(errorCode)) { return; } |
| 51 LocalPointer<CollationTailoring> t(new CollationTailoring(NULL)); |
| 52 if(t.isNull() || t->isBogus()) { |
| 53 errorCode = U_MEMORY_ALLOCATION_ERROR; |
| 54 return; |
| 55 } |
| 56 t->memory = udata_openChoice(U_ICUDATA_NAME U_TREE_SEPARATOR_STRING "coll", |
| 57 "icu", "ucadata", |
| 58 CollationDataReader::isAcceptable, t->version,
&errorCode); |
| 59 if(U_FAILURE(errorCode)) { return; } |
| 60 const uint8_t *inBytes = static_cast<const uint8_t *>(udata_getMemory(t->mem
ory)); |
| 61 CollationDataReader::read(NULL, inBytes, udata_getLength(t->memory), *t, err
orCode); |
| 62 if(U_FAILURE(errorCode)) { return; } |
| 63 ucln_i18n_registerCleanup(UCLN_I18N_COLLATION_ROOT, uprv_collation_root_clea
nup); |
| 64 CollationCacheEntry *entry = new CollationCacheEntry(Locale::getRoot(), t.ge
tAlias()); |
| 65 if(entry != NULL) { |
| 66 t.orphan(); // The rootSingleton took ownership of the tailoring. |
| 67 entry->addRef(); |
| 68 rootSingleton = entry; |
| 69 } |
| 70 } |
| 71 |
| 72 const CollationCacheEntry * |
| 73 CollationRoot::getRootCacheEntry(UErrorCode &errorCode) { |
| 74 umtx_initOnce(initOnce, CollationRoot::load, errorCode); |
| 75 if(U_FAILURE(errorCode)) { return NULL; } |
| 76 return rootSingleton; |
| 77 } |
| 78 |
| 79 const CollationTailoring * |
| 80 CollationRoot::getRoot(UErrorCode &errorCode) { |
| 81 umtx_initOnce(initOnce, CollationRoot::load, errorCode); |
| 82 if(U_FAILURE(errorCode)) { return NULL; } |
| 83 return rootSingleton->tailoring; |
| 84 } |
| 85 |
| 86 const CollationData * |
| 87 CollationRoot::getData(UErrorCode &errorCode) { |
| 88 const CollationTailoring *root = getRoot(errorCode); |
| 89 if(U_FAILURE(errorCode)) { return NULL; } |
| 90 return root->data; |
| 91 } |
| 92 |
| 93 const CollationSettings * |
| 94 CollationRoot::getSettings(UErrorCode &errorCode) { |
| 95 const CollationTailoring *root = getRoot(errorCode); |
| 96 if(U_FAILURE(errorCode)) { return NULL; } |
| 97 return root->settings; |
| 98 } |
| 99 |
| 100 U_NAMESPACE_END |
| 101 |
| 102 #endif // !UCONFIG_NO_COLLATION |
OLD | NEW |